Why is the example of DDT included in the unit? A.
to show that solutions have unintended consequences
B.
to illustrate why pesticides should not be used by farmers
C.
to promote organic farming methods
D.
to explain the chemical elements of common pesticides

The european union was formally established in

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire

Poling our way along the inky green waterway, we glided upstream through quiet still-water bends in the river, where mats of fragrant white flowers had gathered, closing behind the stern of our 24-inch-wide dugout and concealing any sign of our passage. —eric hansen, stranger in the forest: on foot across borneo, 1998 which of these items in the passage is an example of borneo’s flora? a. “the inky green waterway” c. “mats of fragrant white flowers” b. “still-water bends in the river” d. “the stern of our 24-inch-wide dugout”